Affidavit (DOH-4092). NOTE: Fill out both Mother's Affidavit and.Maryland law allows you to establish paternity through a court order or through an Affidavit of Parentage form. Both parents must complete affidavits to legitimate the birth record. Each affidavit must be notarized. For birth certificates for people born in Maryland before 1940, call the Maryland Vital Statistics Administration at 410-764-3038. Birth Affidavits can only be used to correct minor spelling and data entry errors on the original birth record. 1. Complete the green form Application for Amended Birth Certificate, DH Form 429. 2.